(19)
(11) EP 4 049 460 A2

(12)

(88) Date of publication A3:
16.12.2021

(43) Date of publication:
31.08.2022 Bulletin 2022/35

(21) Application number: 19958748.6

(22) Date of filing: 29.10.2019
(51) International Patent Classification (IPC): 
H04R 1/40(2006.01)
H04R 1/28(2006.01)
 H04R 3/12(2006.01)
H04R 27/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H04R 1/403; H04R 1/2819; H04R 1/288; H04R 3/12; H04R 27/00
(86) International application number:
PCT/HU2019/050047
(87) International publication number:
WO 2021/176240 (10.09.2021 Gazette 2021/36)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 27.10.2019 HU 1900369

(71) Applicant: Interton Elektroakusztikai Kft.
1119 Budapest (HU)

(72) Inventors:
  • BALOGH, Géza Zsolt
    1022 Budapest (HU)
  • CSEREPES, András
    1089 Budapest (HU)
  • BALOGH, Géza
    1222 Budapest (HU)
  • MAGOS, Balázs Géza
    2092 Budakeszi (HU)

(74) Representative: Danubia Patent & Law Office LLC 
Bajcsy-Zsilinszky út 16
1051 Budapest
1051 Budapest (HU)

   


(54) SECOND-ORDER GRADIENT LOUDSPEAKER SYSTEM, AS WELL AS SECOND-ORDER GRADIENT LINE ARRAY SPEAKER AND PLANE WAVE SPEAKER CONSTRUCTED FROM SUCH LOUDSPEAKER SYSTEMS